Update upstream#51

Merged

GulajavaMinistudio merged 9 commits into

GulajavaMinistudio:masterfrom

May 19, 2017

Commits on May 19, 2017

[SPARK-20798] GenerateUnsafeProjection should check if a value is null before calling the getter

ala
authored and
hvanhovell
committed
[SPARK-20773][SQL] ParquetWriteSupport.writeFields is quadratic in number of fields

tpoterba
authored and
hvanhovell
committed
[SPARK-20607][CORE] Add new unit tests to ShuffleSuite

heary-cao
authored and
srowen
committed
[SPARK-20759] SCALA_VERSION in _config.yml should be consistent with pom.xml

liu-zhaokun
authored and
srowen
committed
[SPARK-20751][SQL] Add built-in SQL Function - COT

wangyum
authored and
gatorsmile
committed
[SPARK-20763][SQL] The function of `month` and `day` return the value which is not we expected.

10110346
authored and
gatorsmile
committed
[SPARKR][DOCS][MINOR] Use consistent names in rollup and cube examples

zero323
authored and
Felix Cheung
committed
[SPARKR] Fix bad examples in DataFrame methods and style issues

Wayne Zhang
authored and
Felix Cheung
committed
[SPARK-20506][DOCS] 2.2 migration guide
Nick Pentreath
committed